oj.uz

Submission #827239

# Submission time Handle Problem Language Result Execution time Memory
827239 2023-08-16T10:03:49 Z rainboy Brperm (RMI20_brperm) C
0 / 100
 2 ms 1788 KB 
#include "brperm.h"
#include <stdlib.h>
#include <stdio.h>

#define N	500000

char cc[N + 1]; int n;

void init(int n, const char *cc_) {
	int i;

	for (i = 0; i < n; i++)
		cc[i] = cc_[i];
}

int query(int i_, int k) {
	int n_, m, i, j;

	n_ = 1 << k;
	if (i_ + n_ > n) {
		printf("wut\n");
		exit(0);
	}
	for (i = 0, j = 1; j < n_; j++) {
		for (m = n_ >> 1; ((i ^= m) & m) == 0; m >>= 1)
			;
		if (i >= n_ || j >= n_)
			exit(0);
		if (cc[i_ + i] != cc[i_ + j])
			return 0;
	}
	return 1;
}

Subtask #1
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 37.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 1788 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -